// -*-c++-*-
#ifndef BASICEVENT_HH
#define BASICEVENT_HH
// Copyright (c) 1994-1996 Ohio Board of Regents and the University of
// Cincinnati.  All Rights Reserved.

// BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY 
// FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT 
// PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, 
// EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE 
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
// PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE 
// PROGRAM IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME 
// THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 

// IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 
// WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR 
// REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR 
// DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL 
// DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM 
// (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED 
// INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF 
// THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER 
// OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. 

//
// $Id: SequentialBasicEvent.hh,v 1.1.1.1 2007/03/15 15:45:06 rmadhoun Exp $
//
//---------------------------------------------------------------------------
#include <stddef.h>
#include "bool.hh"
#include "warped.hh"

// #define CompareEvent(a, b) (a->recvTime - b->recvTime)


class BasicEvent {
public:
  BasicEvent *next;
  BasicEvent *prev;

  friend ostream& operator<<(ostream&, const BasicEvent &);
  
  inline BasicEvent() { 
    sign = POSITIVE; 
    next = prev = NULL;
    eventId     = 0;
    alreadyProcessed = false;
  };
  
  BasicEvent(const BasicEvent*);
  BasicEvent(VTime, VTime, unsigned, unsigned, SIGN, SequenceCounter, 
	     unsigned);
  
  virtual ~BasicEvent() {};
  
  SequenceCounter eventId;         // tuple of this and sender marks
                                   // a message as unique
  VTime sendTime;                  // send time of the event
  VTime recvTime;                  // receive time of the event
  int sender;                      // id of sending object
  int dest;                        // id of receiving object
  SIGN sign;                       // message or antimessage

  virtual void print(){};
  bool alreadyProcessed;
  
  unsigned size;                   // size of this message
};

inline int CompareEvent(const BasicEvent *a, const BasicEvent *b) {
  if (a->recvTime == b->recvTime) {
    return a->dest - b->dest;
  }
  else {
    return ((a->recvTime > b->recvTime) ? 1 : -1);
  }
}
  
#endif